Detect shadows from fixed objects in GHI data

docs/api.rst

@@ -231,6 +231,16 @@ Functions that return a Boolean mask indicating day and night.
 
    features.daytime.power_or_irradiance
 
+Shading
+-------
+
+Functions for labeling shadows.
+
+.. autosummary::
+   :toctree: generated/
+
+   features.shading.fixed
+
 System
 ======
 

docs/index.rst

@@ -53,6 +53,7 @@ library status.
     functions in the :py:mod:`system` module in that we are identifying
     features of data rather than properties of the system that produced the
     data.
+  - :py:mod:`features.shading` functions for identifying shadows.
 
 - :py:mod:`system` identification of PV system characteristics from data
   (e.g. nameplate power, tilt, azimuth)

docs/whatsnew/0.1.1.rst

@@ -13,6 +13,8 @@ Enhancements
   :py:func:`pvanalytics.metrics.variability_index`. (:issue:`60`, :pull:`106`)
 * Internal refactor of `pvanalytics.metrics.performance_ratio_nrel` to support
   other performance ratio formulas. (:pull:`109`)
+* Detect shadows from fixed objects in GHI data using
+  :py:func:`pvanalytics.features.shading.fixed`. (:issue:`24`, :pull:`101`)
 
 Bug Fixes
 ~~~~~~~~~
@@ -22,3 +24,4 @@ Contributors
 
 * Kevin Anderson (:ghuser:`kanderso-nrel`)
 * Cliff Hansen (:ghuser:`cwhanse`)
+* Will Vining (:ghuser:`wfvining`)

pvanalytics/features/__init__.py

@@ -1,2 +1,3 @@
 from pvanalytics.features import clearsky  # noqa: F401
 from pvanalytics.features import clipping  # noqa: F401
+from pvanalytics.features import shading   # noqa: F401